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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A link invariant from higher-dimensional Heegaard Floer homology
高维 Heegaard-Floer同调 链接不变量
2023/11/13
We define a higher-dimensional analogue of symplectic Khovanov homology. Consider the standard Lefschetz fibration of a 2n-dimensional Milnor fiber of the A_{k-1} singularity. We represent a link by a...
Epimorphisms from 2-bridge link groups onto Heckoid groups (II)
Epimorphisms 2-bridge link groups Group Theory
2012/6/18
We describe all upper-meridian-pair-preserving epimorphisms from 2-bridge link groups onto even Heckoid groups.